Keyboard



FIG. 1 is a front perspective view of a keyboard, showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is another side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is an enlarged view of the encircled portion 8 shown in FIG. 2;

FIG. 9 is a cross-sectional view of the key thereof taken along line 9-9 in FIG. 8; and,

FIG. 10 is a cross-sectional view of the key thereof taken along line 10-10 in FIG. 8.

The broken lines illustrating portions of the keyboard are for environmental purposes only and form no part of the claimed design.

The dot-dash broken lines encircling a portion of the claimed design form no part of the claimed design. 

CLAIM We claim, the ornamental design for a keyboard, as shown and described. 